//
//  NSObject+NullData.h
//  YBInsurance
//
//  Created by S2 on 4/11/16.
//  Copyright © 2016 YB. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface NSObject (NullData)

- (BOOL)isThatNull;

+ (UIWindow*)mainWindow;

+ (UIImage *)screenImageWithSize:(CGSize )imgSize;

@end
